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在springboot项目中的pom文件中添加<skipTests>true</skipTests>springboot打包插件<plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId></plugin>对于spring项目<pl

1.查看端口号和pidnetstat -ano2.根据pid查询进程tasklist | findstr "4048"3.杀死进程taskkill /f /t /im Tomcat7.exe

六位邀请码public class InviteCodeUtils { private static String source = "MWX8YZE9FCDG3J2RS1TU5V6KL7HQA4BNP"; public static String Create(Integer length,Long phoneNo) { String code = ""; while (phoneNo > 0 && code.length

java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer map里string转integer错误map里放了string的数字，转型integer会报错。java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer梳理调查了一下，终于搞清楚了。先来3个放进map里的变量 I

public class CityAndCodeUtil { private static Map<String,String> cityKeyMap = new HashMap(); private static Map<String,String> codeKeyMap = new HashMap(); static{ cityKeyMap.put("珠海市","4404"); codeKeyMap.put("4404"

@RestController@RequestMapping("upload")public class UserController extends BaseController { @Autowired private IUserService userService; /** * 存储上传的文件的文件夹名称 */ public static final String UPLOAD_DIR = "upload"; /** * 上传文件时允许上传的最大大小 */

@RequestMapping("/targetAdd")public String targetAdd(@RequestParam(value = "username",required = false) String username,@RequestParam(value = "passeord",required = false) String password) throws IOException{ if(null!=username){ return "ok

BigDecimal a = new BigDecimal(0.1);BigDecimal b = new BigDecimal(1.1);//前提为a、b均不能为nullif(a.compareTo(b) == -1){ System.out.println("a小于b");} if(a.compareTo(b) == 0){ System.out.println("a等于b");} if(a.compareTo(b) == 1){ System.out.pri

第一类：请求路径参数1、@PathVariable获取路径参数。即url/{id}这种形式。2、@RequestParam获取查询参数。即url?name=这种形式例子GEThttp://localhost:8080/demo/123?name=suki_rong对应的java代码：@GetMapping("/demo/{id}")public void demo(@PathVariable(name = "id") String id, @RequestParam(name = "na